Division or partition of geometric features

learn more… | top users | synonyms

6
votes
5answers
3k views

How can I split by attribute in ArcGIS 10?

I would like to split a single shapefile into multiple shapefiles by attribute. I found ET Geowizard to do this but it's not free. In arcscripts.esri.com I found a tool named "SplitLayerByAttributes" ...
3
votes
2answers
1k views

How to Split a vector file into several different files using a Grid in QGIS?

I have a shapefile containing contour for a large area, and I want to split it into different shapefiles each covering a 1KM X 1KM area. I have already created the required Grid shapefile in QGIS. ...
5
votes
2answers
1k views

How to split an irregular polygon into equal areas?

I am a surveyor and use QGIS for maintaining soil test records on civil projects and am constantly provided with test lot area or number of lots required. These are more often than not irregular in ...
4
votes
1answer
201 views

Splitting polygons leaves null values

I'm trying to split polygons with overlaping line features, using Split Polygons tool from Topology toolbar. The problem I encounter is that only one from new polygons have old attributes and others ...
4
votes
1answer
645 views

How to split a Polyline Geometry at a certain point in ArcObjects?

I have a polyline geometry and wish to split it into two different geometries, based on a given point on that line, in ArcObjects. I have tried to find out how to do this, but to no avail. I found ...
1
vote
1answer
193 views

Distance of many polygons to a segmented line

I have a shapefile of U.S. counties. I also have a line segment. I want to compute the distance of each county to the line. I have also divided the line segment into 10 equal segments. I want to ...
6
votes
5answers
1k views

How to split OSM roads into individual segments at intersections?

I want to create a road-network for use with pgRouting using OpenStreetMap data. I loaded a shapefile from GeoFabrik into a Postgres table (with PostGIS enabled). However, one problem I had was that ...
2
votes
1answer
71 views

I made a Relationship Class(1-M). Its a street X our Address table. I can´t split the street. How to fix it?

I have a table "Addresses" and the Feature "streets". The feature "Streets" are lines. I need to do a relation with this table with this feature. What I do? I tried built a "relationship class". The ...
3
votes
1answer
283 views

ArcMap 10.1 Python split inconsistent string

I converted a kml file to a feature class. All of the fields from the kml were combined into two fields in the feature class. One of them contains information delimited by "/" and the other contains ...
3
votes
1answer
729 views

How do I split polygons that cross the dateline?

I have a dataset of country borders which I obtained from: http://thematicmapping.org/downloads/world_borders.php/ I have that dataset in both shp and SQL, but I'll put out there that I don't feel ...
2
votes
1answer
343 views

Splitting large shapefile into numerous smaller files based on number of objects in each smaller file

I have a shapefile containing approximately 600 000 point-objects. Unfortunately, for a couple of reasons I need to split this file into a larger number of shape-files each containing approximately ...
0
votes
0answers
76 views

why are split-lines saved in the attribute table? (qgis 1.7.4)

A few months ago I splitted some lines in a shapefile with official roads because they are not accessible anymore. Now I loaded that file again into my project and the splitlines appears. Because I ...